Demonstration device



FIG. 1 is a perspective view of a first embodiment demonstration device, in accordance with the present invention;

FIG. 2 is a front view of the demonstration device shown in FIG. 1;

FIG. 3 is a rear view of the demonstration device shown in FIG. 1;

FIG. 4 is a top plan view of the demonstration device shown in FIG. 1;

FIG. 5 is a bottom plan view of the demonstration device shown in FIG. 1;

FIG. 6 is a right side view of the demonstration device shown in FIG. 1;

FIG. 7 is a left side view of the demonstration device shown in FIG. 1; and,

FIG. 8 is a top plan view of the demonstration device shown in FIG. 1, but illustrating a second arrangement of the demonstration device of the present invention.

The NuvaRing® advertisement, and all other writings and illustrations, is shown for illustrative purposes only and forms no part of the claimed design. The ring and cord of the demonstration device, for example, as shown extending from the interior of the demonstration device in FIG. 8, is shown for illustrative purposes only and form no part of the claimed design. The clip on the back of the demonstration device shown, for example in FIG. 3, forms no part of the claimed design. The push button on the top of the demonstration device shown, for example in FIGS. 2-4, forms no part of the claimed design. 

The ornamental design for a demonstration device, as shown and described. 